| Name | CVE-2016-8689 |
| Description | The read_Header function in archive_read_support_format_7zip.c in libarchive 3.2.1 allows remote attackers to cause a denial of service (out-of-bounds read) via multiple EmptyStream attributes in a header in a 7zip archive. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-1600-1, DLA-661-1 |
| Debian Bugs | 840934 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libarchive (PTS) | bullseye | 3.4.3-2+deb11u1 | fixed |
| bullseye (security) | 3.4.3-2+deb11u2 | fixed |
| bookworm, bookworm (security) | 3.6.2-1+deb12u2 | fixed |
| sid, trixie | 3.7.4-3 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://blogs.gentoo.org/ago/2016/09/11/libarchive-bsdtar-heap-based-buffer-overflow-in-read_header-archive_read_support_format_7zip-c/
https://github.com/libarchive/libarchive/issues/761
Fixed by: https://github.com/libarchive/libarchive/commit/7f17c791dcfd8c0416e2cd2485b19410e47ef126